题解 | #字母异位词分组#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param strs string字符串一维数组 
# @return string字符串二维数组
#
from collections import defaultdict
class Solution:
    def groupAnagrams(self , strs: List[str]) -> List[List[str]]:
        # write code here
        count = defaultdict(list)
        for i, s in enumerate(strs):
            # print("".join(sorted(s)))
            count["".join(sorted(s))].append(s)
        res = []
        for k, v in sorted(count.items(), key=lambda x:len(x[1])):
            res.append(v)
        return res